It was very difficult to solve An editor wants to estimate average the number of pages in bestselling novels, so that his estimatefalls within 20 pages of the true average. Assuming that the standard deviation is 65 pages, howlarge a sample of bestselling novels is needed to achievea. 90% confidence? (Your answer should be a whole number)b.95% confidence? (Your answer should be a whole number)c. Identify the variable in this contextO Type here to searchII

Given data: Margin of error = 20 pages Standard deviation = 65 pages Confidence levels ; 90 % and…

An editor wants to estimate average the number of pages in bestselling novels, so that his estimate falls within 20 pages of the true average. Assuming that the standard deviation is 65 large a sample of bestselling novels is needed to achieve pages, how a. 90% confidence? (Your answer should be a whole number) b. 95% confidence? (Your answer should be a whole number) c. Identify the variable in this context - O Type here to search

An editor wants to estimate average the number of pages in bestselling novels, so that his estimate falls within 20 pages of the true average. Assuming that the standard deviation is 65 large a sample of bestselling novels is needed to achieve pages, how a. 90% confidence? (Your answer should be a whole number) b. 95% confidence? (Your answer should be a whole number) c. Identify the variable in this context - O Type here to search

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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